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Combined hepatitis A and B vaccine, is used to provide protection against hepatitis A and hepatitis B. It is given by injection into muscle.
It is used in areas where hepatitis A and B are endemic, for travelers, people with hepatitis C or chronic liver disease, and those at high risk of sexually transmitted diseases.
The combined vaccine is as safe and protective as if given as separate hepatitis A and B vaccines. It is generally well-tolerated. Common side effects are mild and include redness and pain at the injection site, where a small lump may appear. Feeling faint or tired, or a headache may occur. Other side effects include numbness, tingling, rash, bruising, abnormal bleeding such as from the nose or gums, weak muscle or pain. Severe side effects are rare and include an allergic reaction and seizures.
It is widely available.